Merge remote-tracking branch 'asoc/topic/rcar' into asoc-next

1 files changed, 84 insertions, 0 deletions

diff --git a/include/sound/rcar_snd.h b/include/sound/rcar_snd.h
new file mode 100644
index 000000000000..d35412ae03b3
--- /dev/null
+++ b/include/sound/rcar_snd.h
@@ -0,0 +1,84 @@
+/*
+ * Renesas R-Car SRU/SCU/SSIU/SSI support
+ *
+ * Copyright (C) 2013 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef RCAR_SND_H
+#define RCAR_SND_H
+
+#include <linux/sh_clk.h>
+
+#define RSND_GEN1_SRU	0
+#define RSND_GEN1_ADG	1
+#define RSND_GEN1_SSI	2
+
+#define RSND_GEN2_SRU	0
+#define RSND_GEN2_ADG	1
+#define RSND_GEN2_SSIU	2
+#define RSND_GEN2_SSI	3
+
+#define RSND_BASE_MAX	4
+
+/*
+ * flags
+ *
+ * 0xAB000000
+ *
+ * A : clock sharing settings
+ * B : SSI direction
+ */
+#define RSND_SSI_CLK_PIN_SHARE		(1 << 31)
+#define RSND_SSI_CLK_FROM_ADG		(1 << 30) /* clock parent is master */
+#define RSND_SSI_SYNC			(1 << 29) /* SSI34_sync etc */
+#define RSND_SSI_DEPENDENT		(1 << 28) /* SSI needs SRU/SCU */
+
+#define RSND_SSI_PLAY			(1 << 24)
+
+#define RSND_SSI_SET(_dai_id, _dma_id, _pio_irq, _flags)	\
+{ .dai_id = _dai_id, .dma_id = _dma_id, .pio_irq = _pio_irq, .flags = _flags }
+#define RSND_SSI_UNUSED \
+{ .dai_id = -1, .dma_id = -1, .pio_irq = -1, .flags = 0 }
+
+struct rsnd_ssi_platform_info {
+	int dai_id;
+	int dma_id;
+	int pio_irq;
+	u32 flags;
+};
+
+/*
+ * flags
+ */
+#define RSND_SCU_USB_HPBIF		(1 << 31) /* it needs RSND_SSI_DEPENDENT */
+
+struct rsnd_scu_platform_info {
+	u32 flags;
+};
+
+/*
+ * flags
+ *
+ * 0x0000000A
+ *
+ * A : generation
+ */
+#define RSND_GEN1	(1 << 0) /* fixme */
+#define RSND_GEN2	(2 << 0) /* fixme */
+
+struct rcar_snd_info {
+	u32 flags;
+	struct rsnd_ssi_platform_info *ssi_info;
+	int ssi_info_nr;
+	struct rsnd_scu_platform_info *scu_info;
+	int scu_info_nr;
+	int (*start)(int id);
+	int (*stop)(int id);
+};
+
+#endif